[INFO] cloning repository https://github.com/seandst/rusty-async-fibber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seandst/rusty-async-fibber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandst%2Frusty-async-fibber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandst%2Frusty-async-fibber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ccb97539f7300de39e9290a45b6d9a89805dcd1
[INFO] checking seandst/rusty-async-fibber against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandst%2Frusty-async-fibber" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seandst/rusty-async-fibber on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seandst/rusty-async-fibber
[INFO] finished tweaking git repo https://github.com/seandst/rusty-async-fibber
[INFO] tweaked toml for git repo https://github.com/seandst/rusty-async-fibber written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/seandst/rusty-async-fibber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded mustache v0.9.0
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded nickel v0.11.0
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bee79dc802740ba42a6764a0e47150274c4e7feb92c9fdc9c9c556fa2e529823
[INFO] running `Command { std: "docker" "start" "-a" "bee79dc802740ba42a6764a0e47150274c4e7feb92c9fdc9c9c556fa2e529823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee79dc802740ba42a6764a0e47150274c4e7feb92c9fdc9c9c556fa2e529823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee79dc802740ba42a6764a0e47150274c4e7feb92c9fdc9c9c556fa2e529823", kill_on_drop: false }`
[INFO] [stdout] bee79dc802740ba42a6764a0e47150274c4e7feb92c9fdc9c9c556fa2e529823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ca6a9d95b3c014412e611a3a8d8068661cad80bb862532d864d03bea7ec09e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30ca6a9d95b3c014412e611a3a8d8068661cad80bb862532d864d03bea7ec09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking asyncfibber v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.54s
[INFO] running `Command { std: "docker" "inspect" "30ca6a9d95b3c014412e611a3a8d8068661cad80bb862532d864d03bea7ec09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ca6a9d95b3c014412e611a3a8d8068661cad80bb862532d864d03bea7ec09e", kill_on_drop: false }`
[INFO] [stdout] 30ca6a9d95b3c014412e611a3a8d8068661cad80bb862532d864d03bea7ec09e